13083681 has 16 divisors (see below), whose sum is σ = 19296704. Its totient is φ = 7833024.

The previous prime is 13083673. The next prime is 13083689. The reversal of 13083681 is 18638031.

It is an interprime number because it is at equal distance from previous prime (13083673) and next prime (13083689).

It is not a de Polignac number, because 13083681 - 2³ = 13083673 is a prime.

It is a super-2 number, since 2×13083681² = 342365417019522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13083689) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3091 + ... + 5976.

It is an arithmetic number, because the mean of its divisors is an integer number (1206044).

Almost surely, 2^13083681 is an apocalyptic number.

It is an amenable number.

13083681 is a deficient number, since it is larger than the sum of its proper divisors (6213023).

13083681 is a wasteful number, since it uses less digits than its factorization.

13083681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9120.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 13083681 is about 3617.1371276190. The cubic root of 13083681 is about 235.6369081454.

The spelling of 13083681 in words is "thirteen million, eighty-three thousand, six hundred eighty-one".